ときめきたいの

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08301130
CopyrightID (CopyrightChains transaction hash)
0x74cfb39e89168c4c00446906f440580cec29a69f06573a0faa6ca04e4f6a1969
Copyright registration time
2026-07-31T15:26:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:59:18Z
Bitcoin block
960427
Canonical record hash
sha256:9dec80c7b376675ce4651da334d49643951749187fa533efcc1da6294249f160

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.